Display Handler and Sunrise library added, platform ini updated

lib/DisplayHandler.h

@@ -0,0 +1,3 @@
+// Function to setup the display
+
+void setup_display();

lib/sunrise.h

@@ -0,0 +1,18 @@
+
+
+// Function to setup the time client
+void setuptimeClient ();
+
+
+// setPVstartflag is a function that calculates start and end of the PV production 
+// based on sunrise and sunset and a lag factor
+// the lag factor has to be determined by calculating the time from theoretical sunrise to first PV production 
+
+//Variables:
+//float lagmorning=1.5;// time in decimal hours between real sunset and start of PV
+// float lagevening=2;  // time in decimal hours between end of PV power production and real sunset
+
+// This function figures out wethere PV can produce power or not
+// flag pvstartflag is true at daytime when pv can procuce power and false when PV can not produce power
+bool setPVstartflag(float lagmorning, float lagevening);
+

platformio.ini

@@ -43,6 +43,14 @@ lib_deps =
     ;https://github.com/marvinroger/async-mqtt-client
     https://github.com/me-no-dev/AsyncTCP
 
+    https://github.com/adafruit/Adafruit_BusIO              ; Uli added due to update of GFX Library (Display)
+    https://github.com/adafruit/Adafruit-GFX-Library.git    ; Uli Displaydriver
+    https://github.com/adafruit/Adafruit_SSD1306.git        ; Uli Displaydriver
+    https://github.com/arduino-libraries/NTPClient          ; Uli 21.01. NTP Time client for Sunrise and sunset calculation
+
+
+
+
 lib_ignore =
 ;	ESP Async WebServer	; force the use of the esphome version
 ;	AsyncTCP			; force the use of the esphome version